separated oscillatory field method
E360217
The separated oscillatory field method is a high-precision spectroscopic technique, developed by Norman Ramsey, that uses two spatially separated electromagnetic fields to measure atomic and molecular energy levels with exceptional accuracy.
All labels observed (1)
| Label | Occurrences |
|---|---|
| separated oscillatory field method canonical | 1 |
Statements (40)
| Predicate | Object |
|---|---|
| instanceOf |
precision measurement method
ⓘ
spectroscopic technique ⓘ |
| advantage |
enhanced sensitivity to small frequency shifts
ⓘ
narrower resonance lines than conventional continuous-wave methods ⓘ |
| appliedIn |
atomic clocks
ⓘ
hyperfine structure measurements ⓘ molecular beam experiments ⓘ nuclear magnetic resonance ⓘ primary frequency standards ⓘ |
| basedOn |
microwave spectroscopy
ⓘ
quantum mechanical interference ⓘ |
| characteristic |
Ramsey fringes in transition probability
ⓘ
use of separated interaction regions ⓘ |
| component |
first oscillatory field region
ⓘ
free evolution region ⓘ second oscillatory field region ⓘ |
| developer |
Norman Ramsey
ⓘ
surface form:
Norman F. Ramsey
|
| enables |
exceptionally accurate frequency measurements
ⓘ
high-resolution spectroscopy ⓘ |
| field |
atomic physics
ⓘ
molecular physics ⓘ spectroscopy ⓘ |
| historicalImpact | key technique recognized in Norman Ramsey's Nobel Prize in Physics ⓘ |
| improves | spectral resolution compared to single-field methods ⓘ |
| knownFor | development of the separated oscillatory field method ⓘ |
| measurementType | transition frequencies between quantum states ⓘ |
| notableFor | contribution to development of modern atomic time standards ⓘ |
| produces | interference pattern as a function of excitation frequency ⓘ |
| purpose |
high-precision measurement of atomic energy levels
ⓘ
high-precision measurement of molecular energy levels ⓘ |
| reduces | systematic errors in frequency measurements ⓘ |
| relatedTo |
Rabi spectroscopy
ⓘ
Ramsey interferometry ⓘ atomic beam magnetic resonance ⓘ |
| theoreticalBasis |
time-dependent perturbation theory
ⓘ
two-level quantum system dynamics ⓘ |
| underlies |
operation of cesium atomic clocks
ⓘ
operation of hydrogen masers ⓘ |
| uses |
coherent superposition of quantum states
ⓘ
two spatially separated oscillatory electromagnetic fields ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.